Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is dev...
Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is hel...
Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of...
Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hi...
A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) e...
Congo Bill is hired to locate an heiress lost somewhere in Africa.
A police detective is caught up in a plot to steal two million dollars in bonds.
Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad...
Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network...
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Fe...
The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron;...
Dusty Bates observes some smuggled jewels hidden in a crate aboard a ship; he is pursued by low-life...
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth....
Dick Tracy goes up against a villain known as The Ghost, who can turn himself invisible.
The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a...
Jack Manning (Tim McCoy) arrives in a midwestern town from Gold Creek in Califonia. He brings a mess...
An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters i...
Mystery and adventure, surrounding a stolen rubber harvest.